JPS53135806A - Improving method for quality in direct rolling - Google Patents

Improving method for quality in direct rolling

Info

Publication number
JPS53135806A
JPS53135806A JP5060877A JP5060877A JPS53135806A JP S53135806 A JPS53135806 A JP S53135806A JP 5060877 A JP5060877 A JP 5060877A JP 5060877 A JP5060877 A JP 5060877A JP S53135806 A JPS53135806 A JP S53135806A
Authority
JP
Japan
Prior art keywords
quality
improving method
direct rolling
rolling
direct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5060877A
Other languages
Japanese (ja)
Other versions
JPS58493B2 (en
Inventor
Noboru Hase
Yasumasa Nariai
Shinji Fujiwara
Hiroyoshi Yashiki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP5060877A priority Critical patent/JPS58493B2/en
Publication of JPS53135806A publication Critical patent/JPS53135806A/en
Publication of JPS58493B2 publication Critical patent/JPS58493B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B2001/028—Slabs

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)

Abstract

PURPOSE:To improve the quality of the rolled product, by reheating locally the slab on the way of conveyance in the line of rolling in which the blooming and hot rolling continue.
JP5060877A 1977-04-30 1977-04-30 Quality improvement method in direct rolling Expired JPS58493B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5060877A JPS58493B2 (en) 1977-04-30 1977-04-30 Quality improvement method in direct rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5060877A JPS58493B2 (en) 1977-04-30 1977-04-30 Quality improvement method in direct rolling

Publications (2)

Publication Number Publication Date
JPS53135806A true JPS53135806A (en) 1978-11-27
JPS58493B2 JPS58493B2 (en) 1983-01-06

Family

ID=12863672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5060877A Expired JPS58493B2 (en) 1977-04-30 1977-04-30 Quality improvement method in direct rolling

Country Status (1)

Country Link
JP (1) JPS58493B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289517A (en) * 1988-09-26 1990-03-29 Nkk Corp Direct hot rolling method for stock fed directly from continuous casting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289517A (en) * 1988-09-26 1990-03-29 Nkk Corp Direct hot rolling method for stock fed directly from continuous casting machine

Also Published As

Publication number Publication date
JPS58493B2 (en) 1983-01-06

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